10 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... neuromuscular disease, ↓ chest ... Right-to-Left Shunt: Cardiac ... #Hypoxia #Differential ... #pulmonary #Aa
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
- Workup and Management ... Differential Diagnosis ... Troponin), ABG, STAT CXR ... , CTA Chest, Echocardiogram ... #Hypoxia #Workup
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... UnremarkableLab #AA ... #hypoxemia #differential ... #diagnosis
Chest Trauma Complications - Differential Diagnosis Algorithm
Cardiac:
 • Cardiac Tamponade*
 • Pericarditis
 • Myocardial Contusion
 •
Chest Trauma Complications ... Aortic Rupture* Chest ... Fractures • Flail Chest ... Esophageal Injury Lung ... Hemothorax #Chest
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Evaluation: Imaging (CXR ... /- High res CT chest ... #diagnosis #evaluation ... #differential #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... advanced disease Complications ... high-resolution chest ... Bronchiectasis #pulmonary #differential ... #diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
mononeuritis multiplex WORKUP ... (UPC) ratio • Cardiac ... Other tests: • CT chest ... sparing of the lung ... typically seen on chest
Post Cardiac Catheterization Complications
Access site complications
 • Hematoma - Pain, swelling, bruising
 • Retroperitoneal bleed -
presyncope • MI - Chest ... tamponade - Chest ... nephropathy - Rise in Cr ... #cardiology #differential ... #diagnosis
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
priority is to start chest ... person (minimum) to chest ... Breathing • Check chest ... and adequacy of chest ... #Management #Workup
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
adverse events or complications ... exam Determine Cardiac ... change CV risk Chest ... unless prior heart/lung ... stratification #diagnosis